Web server administrators quickly realized that showing errors to the general public is not a wise thing to do, so they started suppressing detailed error messages. This is a flawed solution because it does not
Commonality and compatibility.SQL is widely used in various IT systems and is compatible with multiple other languages. Its commonality benefits beginners in the profession, as they are likely to use SQL throughout their careers. It also contributes to ease of application and improves the production...
SQL Server built-in functions are either deterministic or nondeterministic. Functions are deterministic when they always return the same result anytime they're called by using a specific set of input values. Functions are nondeterministic when they could return different results every time they're ...
new business needs must be addressed quickly and additional business units can be created. Both of those situations are natural data silo incubators. Mergers and acquisitions also bring silos into an organization, some known and some that are hidden. ...
In NDB 8.0, a mysqld acting as an SQL node and detecting such tables in NDB writes a warning to the MySQL server log, and creates InnoDB shadow tables local to itself; such shadow tables are created on each MySQL server connected to the cluster. When performing an upgrade from NDB 7.6...
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Applies to: SQL Server A distributed availability group (AG) is a special type of availability group that spans two separate availability groups. Distributed availability groups are available starting with SQL Server 2016. This article describes the distributed availabilit...
Applies to: SQL Server A distributed availability group (AG) is a special type of availability group that spans two separate availability groups. Distributed availability groups are available starting with SQL Server 2016. This article describes the distributed availability group feature. To c...
.SQL Server 2019 (15.x) Cumulative update 19 now introduces support for Oracle TNS files. Please refer to CREATE EXTERNAL DATA SOURCE for more information and samples.For more information, see What are SQL Server Big Data Clusters?.Intelligent Database...
SQL Triggers Are Tricky! SQL Trigger Events The triggers can occur AFTER or INSTEAD OF a DML action. Triggers are associated with the database DML actions INSERT, UPDATE, and DELETE. Triggers are defined to run when these actions are executed on a specific table. ...